发明名称 Cigarette and cigarette filter element therefor
摘要 A cigarette comprises a blend of tobacco materials and a filter element provided from a non-woven thermoplastic material. The non-woven material comprises polyester or polypropylene fibers. The non-woven material is in intimate contact with an acidic material (e.g., phosphoric acid) or a basic material (e.g., sodium hydroxide).
申请公布号 US5246017(A) 申请公布日期 1993.09.21
申请号 US19920894733 申请日期 1992.06.05
申请人 R. J. REYNOLDS TOBACCO COMPANY 发明人 SAINTSING, BARRY L.;PERFETTI, THOMAS A.;REDDING, JERRY W.
分类号 A24D3/08;A24D3/14;A24D3/16 主分类号 A24D3/08
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